"you can actually unroll a reel of sellotape in a vacuum to get X-rays, without DARPA"
Essentially DARPA paid to have that core process turned into a disposable package you can use on the battlefield.
I understand this has been known for decades but it was DARPA that provided the funding to turn it from a lab curiosity into a practical device. I think it's had a Register write up. It's certainly been mentioned in comments.
Biting the hand that feeds IT
